Home / 101,606.02-140,218.56-57,997.68

Finding the Fourth Proportional to 101,606.02, 140,218.56 and 57,997.68

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Solution

The fourth proportional to 101,606.02, 140,218.56 and 57,997.68 is: 80,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,606.02 : 140,218.56 = 57,997.68 : x
  2. Step 2: Convert to fraction form
    101,606.02/140,218.56 = 57,997.68/x
  3. Step 3: Cross multiply
    101,606.02x = 140,218.56 × 57,997.68
  4. Step 4: Simplify right side
    101,606.02x = 8,132,351,172.94
  5. Step 5: Solve for x
    x = 8,132,351,172.94/101,606.02
  6. Step 6: Final answer
    x = 80,038.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.